Yoona (윤아), 십센치 (10CM) - Deoksugung Stonewall Walkway (덕수궁 돌담길의 봄)
Yoona (윤아) - Promise
Yoona (윤아), 20 Years of Age (스무살) - Summer Night (여름밤)
Yoona (윤아), Lee Sang Soon (이상순) - To You (너에게)
Yoona (윤아) - When the Wind Blows (바람이 불면)